Host options and settings for IBM XIV systems

Edit online

You must use specific settings to identify the system as a host to IBM® XIV® Storage System systems.

An XIV Nextra host is a single WWPN, so one XIV Nextra host must be defined for each system node port in the clustered system. An XIV Nextra host is considered to be a single SCSI initiator. Up to 256 XIV Nextra hosts can be presented to each port. Each system host object that is associated with the XIV Nextra system must be associated with the same XIV Nextra LUN map because each LU can be in only a single map.

An IBM XIV Storage System Type Number 2810 host can consist of more than one WWPN. Configure each system node as an IBM XIV Storage System Type Number 2810 host and create a cluster of IBM XIV Storage System systems that corresponds to each of the system nodes.

Table 1 lists the host options and settings that can be changed by using the IBM XIV Storage System and XIV Nextra Storage Management GUI.

Table 1. IBM XIV Type Number 2810 and XIV Nextra host options and required settings
Option Data type Range IBM XIV Storage System Type Number 2810 and XIV Nextra default setting System required setting Notes
Type Enum FC/iSCSI Not applicable FC The Type must be FC for the system.
XIV Nextra map_set_special_type CLI command or IBM XIV Storage System Type Number 2810 special_type_set CLI command Enum default/hpux default default This command is used by hpux hosts only. Do not use the command for the system LUNs.
WWPN int64 Any Not applicable Node port For XIV Nextra, one host for each node port WWPN in the clustered system must be defined. For IBM XIV Storage System, Type Number 2810 one host port for each node port WWPN in the clustered system must be defined.
LUN Map String Any Not applicable Any For XIV Nextra, each system host in the XIV Nextra system must be associated with the same LUN map because each LU can be only in a single map.